Dopamine – Glutamate Interactions in the Basal Ganglia

Dopamine – Glutamate Interactions in the Basal Ganglia

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The basal ganglia are involved in complex brain functions, from voluntary movement control to learning and reward processing, and they are implicated in numerous neurological and psychiatric disorders. Information from the cerebral cortex and thalamus is conveyed to basal ganglia nuclei via glutamate release, while dopamine from the midbrain is released in close proximity to glutamate. At the heart of both function and dysfunction of basal ganglia circuits is the interaction of these two neurotransmitters, dopamine and glutamate. Elucidating the relationship between their molecular and cellular effects and behavioural significance has been challenging, but in the past 5a€“10 years, improved labeling, imaging, recording, and genetic manipulation approaches have yielded new information on how dopamine and glutamate interact to generate the circuit activity underpinning basal ganglia function. Dopaminea€“Glutamate Interactions in the Basal Ganglia synthesizes this recent research from the level of receptor molecules all the way to complex behaviours and disease. Current insights from research on individual neurons and synapses, detailed circuit analysis, and learning and action functions of the basal ganglia are presented against a historical perspective. The book also discusses compromised dopaminea€“glutamate interaction in disorders of basal ganglia function, including Parkinsona€™s disease, Huntingtona€™s disease, and drug addiction.8.5 CONCLUSIONS This chapter has attempted to provide an overview of the functional organization of the SN Extending from the basic wiring diagram of the ... of the rat: A quantitative autoradiographic study Neuroscience, 46(1), 35a€“48 Alexander, G E and Crutcher, M D , ... cells, not nigrostriatal axons Neuroscience, 27(3), 851a€“863 Beckstead, R M , Domesick, V B , and Nauta, W J , anbsp;...

Title:Dopamine – Glutamate Interactions in the Basal Ganglia
Author: Susan Jones
Publisher:CRC Press - 2011-12-14

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